Kõiv K, Kõrgesaar J, Leino M, Tammemäe T. Preface. EHA [Internet]. 2016 Oct. 23 [cited 2024 Apr. 24];4(2):1-7. Available from: https://ojs.utlib.ee/index.php/EHA/article/view/eha.2016.4.2.01